HomeIgnition > SwitchesStandard Ignition US-434 Ignition Switch
Part #: US-434

Standard Ignition US-434 Ignition Switch

6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Jeep, Grand Cherokee
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Ignition Switch for Jeep Grand Cherokee

Standard Ignition US-434 is a column-mounted ignition switch built for 1999-2004 Jeep Grand Cherokee applications. It uses a bolt-on attachment, a rectangular female connector, and male blade terminals to support proper electrical switching and a secure fit.

For Jeep Grand Cherokee ignition switch replacement, this part is built with copper alloy conductors and tested for mechanical and electrical performance before release.

Key Features

  • Fits 1999-2004 Jeep Grand Cherokee, column
  • Bolt-on mounting for direct replacement service
  • Rectangular female connector with one connector interface
  • 8 male blade terminals for vehicle-specific electrical connection
  • Copper alloy conductors for low-resistance current flow
  • 100% tested for switching performance
  • Standard Ignition US-434 ignition switch

Detailed Description

Standard Ignition US-434 is an ignition switch for Jeep Grand Cherokee models from 1999 through 2004. It is designed for column mounting and uses a single rectangular female connector with 8 male blade terminals, helping maintain the correct electrical interface for the vehicle’s ignition circuit. The robust construction and high-grade materials support consistent fit and function in service work, while the copper alloy conductor design helps maintain electrical conductivity with reduced resistive loss. If you are sourcing a Jeep Grand Cherokee ignition switch replacement, US-434 provides a direct-fit service part for the listed applications. This part cross-references Mopar 56042476AC for the same application.

Common Problems This Part Can Help Solve

  • Intermittent no-start condition caused by worn ignition switch contacts
  • Accessory or ignition power loss when turning the key
  • Key position issues between OFF, ACC, RUN, and START
  • Electrical switching faults in the steering column ignition circuit
  • Replacement need after contact wear or internal switch failure

Installation Notes and Tips

Fits 1999-2004 Jeep Grand Cherokee, column. Verify connector shape, terminal count, and mounting style against the original switch before installation. Confirm the ignition key positions and electrical operation after installation to ensure proper switching across all circuits. Standard Ignition US-434 is a bolt-on column ignition switch, so alignment with the steering column assembly is important during service.

Quality Assurance

Standard Ignition states that this ignition switch is built from high-grade materials and tested for both mechanical and electrical switching performance. The US-434 is engineered to meet the demands of professional repair service and to support proper fit and function in the listed Jeep Grand Cherokee applications.

BrandStandard Ignition
Part NumberUS-434
Attachment MethodBolt On
Connector GenderFemale
Connector ShapeRectangular
Mounting LocationColumn
Terminal GenderMale
Terminal TypeBlade

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2004JeepGrand CherokeeN/A
2003JeepGrand CherokeeN/A
2002JeepGrand CherokeeN/A
2001JeepGrand CherokeeN/A
2000JeepGrand CherokeeN/A
1999JeepGrand CherokeeN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1S593453-2732856042476AB56042476AC89058219CS807IS158KS6807LS1029UL6-32

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.